Perhaps you should try some spelling variations:
23.2 communication » 3.2 communication, 2.2 communication, 3.3.2 communication
zur developpement » leur developpement, du developpement, au developpement
developpement de » developpement des, developpement durable
inflation rates » inflation rate
communication 2 » communication _, communication a, communication 3
technology 12 » technology 1.2, technology 1, technology 2
12 inflation » 10 inflation, 2 inflation, 3.2 inflation
rates paper » plates paper, rates cape, rates per
paper 23.2 » paper 1.2, paper 2.3, paper 2.5
de afrique » de l'afrique, en afrique, l afrique
2 zur » 1 zur

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 12 inflation rates paper 23.2 communication 2 zur developpement de afrique.*.